Closing Line Value (CLV) Calculator
Closing line value (CLV) measures how much better your odds were than the final price before kickoff. CLV% = (your odds ÷ closing odds − 1) × 100. Bet at 2.10, close at 1.95: CLV = +7.7%. Positive average CLV over many bets suggests you get good prices; it does not guarantee profit.
Implied probability at your price: 47.6%
Implied probability at the close: 51.3%
Closing Line Value
+7.69%
Positive CLV — you beat the closing line. You secured a better price than the market’s final number, a useful measure of price quality, not a guarantee of profit.
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Lytic checks 40+ bookmakers and posts bets priced above the fair odds before kickoff. Every pick is graded against the closing price in public.
How it works
Formula
CLV % = (bet_odds / closing_odds − 1) × 100
Example: you bet at 2.10 and the line closed at 1.95 → CLV = (2.10 / 1.95 − 1) × 100 = +7.69%. Your odds were 7.69% higher than the close.
This is the fair (odds-ratio) method — it measures how much more your odds pay relative to the closing odds, independent of stake. A positive result means you beat the close.
Lytic uses Pinnacle's closing price with the margin removed. Using a raw closing price that includes margin makes your CLV look slightly better than on Lytic's basis.
Why closing line value matters
The closing line is the price available just before an event starts. It is a useful market benchmark, but it can contain margin and estimation error.
Higher bet odds than closing odds mean you secured a better payout price. Track a meaningful sample with comparable markets and timestamps; CLV alone does not establish profitability.
Read how to interpret the measure in the guide to closing line value.
How to read your CLV
- Positive CLV (+): you beat the close. Your bet odds paid more than the closing price — a better payout price than the close.
- Negative CLV (−): the line closed at higher odds than your bet. Your price paid less than the closing price.
- Around 0%: you matched the close. No edge captured, but you didn't overpay either.
One bet's CLV is noisy — track your average CLV across many bets. Use consistent closing sources and keep fees, market margin and sample size in view.
Analytical tool only. No winnings guaranteed. Bet responsibly. 18+. BeGambleAware.org